Note 16 - Stock-based Compensation - Forfeited as Payment of Tax Withhold (Details) - Restricted Stock Units (RSUs) [Member] - shares	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Number of RSUs vested (in shares)	541,871	454,284	464,985
Number of net RSU shares issued (in shares)	296,238	250,994	261,232
Number of RSU shares forfeited as payments of withholding amounts (in shares)	245,633	203,290	203,753